CN112445191A - Traditional production process of acetylene dissolving equipment - Google Patents
Traditional production process of acetylene dissolving equipment Download PDFInfo
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- CN112445191A CN112445191A CN202011289178.4A CN202011289178A CN112445191A CN 112445191 A CN112445191 A CN 112445191A CN 202011289178 A CN202011289178 A CN 202011289178A CN 112445191 A CN112445191 A CN 112445191A
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- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 title claims abstract description 92
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 53
- 238000012544 monitoring process Methods 0.000 claims abstract description 47
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000009977 dual effect Effects 0.000 claims abstract description 30
- 239000005997 Calcium carbide Substances 0.000 claims abstract description 24
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000006073 displacement reaction Methods 0.000 claims abstract description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 80
- 239000007789 gas Substances 0.000 claims description 68
- 238000000034 method Methods 0.000 claims description 54
- 230000008569 process Effects 0.000 claims description 53
- 238000001514 detection method Methods 0.000 claims description 43
- 238000000746 purification Methods 0.000 claims description 40
- 238000005406 washing Methods 0.000 claims description 37
- 239000007788 liquid Substances 0.000 claims description 31
- 238000011049 filling Methods 0.000 claims description 22
- 239000003513 alkali Substances 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 17
- 238000009423 ventilation Methods 0.000 claims description 17
- 239000002994 raw material Substances 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 238000006386 neutralization reaction Methods 0.000 claims description 14
- 238000005429 filling process Methods 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 9
- 238000004364 calculation method Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 230000003068 static effect Effects 0.000 claims description 7
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 5
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 5
- 230000009471 action Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 206010033799 Paralysis Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012824 chemical production Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10H—PRODUCTION OF ACETYLENE BY WET METHODS
- C10H21/00—Details of acetylene generators; Accessory equipment for, or features of, the wet production of acetylene
- C10H21/08—Safety devices for acetylene generators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
The invention discloses a traditional production process of acetylene dissolving equipment, which comprises the following control units: a feeding unit: the unit control is divided into manual and automatic dual options, under an automatic state, the unit is completely automatically operated by a computer, the manual intervention is completely not needed, and after the calcium carbide moving hopper is installed in the connecting pier, the nitrogen displacement device is automatically started under the control of the system, and the monitoring is carried out by using an oxygen analyzer. The intelligent automatic operation function of the traditional acetylene production process is realized, the stability and the editability of the PLC or the DCS are utilized, the logic relation of the whole production system is written into a system CPU through a computer language, data is compared with set parameters in the system through the real-time signal acquisition of a field remote transmission instrument, the intelligent interlocking control is realized, the data is displayed on line in real time through a computer display screen, the interlocking action is fed back on line, and the interlocking action is visually displayed in front of an operator.
Description
Technical Field
The invention relates to the technical field of acetylene gas production, in particular to a traditional production process of acetylene dissolving equipment.
Background
The production process of acetylene gas belongs to a class A facility, the production process and the final product have the characteristics of flammability and explosiveness, the acetylene gas belongs to a chemical production process and a chemical production device, and has great potential safety hazard, the production and the storage have great danger, the supervision of related national departments on chemical enterprises is quite strict, and each functional department can conduct unscheduled enterprise inspection guidance to carry out unscheduled investigation on the potential safety hazard to prevent serious safety accidents.
Disclosure of Invention
The invention aims to provide a traditional production process of acetylene dissolving equipment, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the traditional production process of the acetylene dissolving equipment comprises the following control units:
A. a feeding unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
after the calcium carbide moving hopper is arranged in the connecting pier, the nitrogen displacement device is automatically started under the control of the system, the oxygen analyzer is used for monitoring, the blanking valve is automatically opened under the safe state to complete the charging work of the system, and the nitrogen displacement work is automatically removed after the charging is completed,
after the system finishes feeding, according to the gas consumption of the whole production process, internal data calculation is carried out on the CUP through monitoring of a field instrument, a considerable amount of calcium carbide raw materials are automatically put into the generator, excessive calcium carbide raw materials cannot be added, and stable operation of the whole production system is guaranteed;
B. a generation unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
automatic flow of the water sealing unit: the unit can automatically control all water seals of the system in an automatic mode, realize the control requirements of automatic water supply when each water seal is lower than a set liquid level low value and automatic water drainage when each water seal is higher than a set liquid level high value,
automatic process of gas holder unit: in addition, the gas holder unit is interlocked with a vibration motor of a feeding unit of the generator, and the starting and stopping of the vibration motor are controlled through the high and low states of the gas holder so as to ensure the generation amount of acetylene gas;
C. a purification unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
in the process interface of the acetylene purification section, acetylene gas generated by an acetylene generator is mainly subjected to acid washing and alkali washing neutralization, the number of controlled objects is large, the acetylene gas is divided into two acid washing purification towers, relevant storage tank circulating pumps, valves and the like, one alkali washing neutralization tower, relevant storage tank circulating pumps, valves and the like,
in the flow interface of the washing and purifying process, the operation state selection switches of different units can be selected to enable the units to work in an input or manual state, and when the units are in an input mode, a user can perform relevant segmented operation of purification according to selection, and the system can automatically complete relevant control of a controlled object in a picture according to field instrument detection data, parameter setting and the like;
D. a compression unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
in the acetylene compression section, the main controlled and detecting units comprise a compressor, an oil-water separator, a high-pressure dryer and the like, in the interface, the compressor, the oil-water separator and the high-pressure dryer are manually and automatically controlled, the working states of the compressor, the oil-water separator and the high-pressure dryer are monitored, the starting condition of the compressor is judged and the like, the running or the opening of a motor, a water pump and a valve is represented by rotating and green, the stopping or the closing is represented by static and red, the condition establishment of a detection switch is represented by changing gray into green, the condition failure is represented by changing green into gray, an alarm or an abnormity is represented by yellow or orange,
in the process flow interface of the compressor, the equipment associated with each unit can be automatically controlled by placing the selector switch in an automatic position to enable the selector switch to work in an automatic mode state, the interface is divided into the compressor unit and the high-pressure dryer unit, and during automatic control, a system can automatically complete the related control of a controlled object in a picture according to field instrument detection data, parameter setting and the like;
E. a filling unit: in the charging process flow interface, 12 charging rows controlled by the system are controlled to be cut off and put into operation, the charging working state is monitored, the relevant control and state monitoring of the safety monitoring unit are also arranged in the picture, the working state of the compressor can be displayed, the charging unit can be conveniently operated and the running condition of the compressor can be conveniently known,
in the filling process flow interface, the equipment associated with each unit can be automatically controlled by placing the selector switch in an automatic position to enable the selector switch to work in an automatic mode state, the interface is divided into a filling unit and a safety monitoring unit, and when the equipment is automatically controlled, a system can automatically complete the related control of the controlled object in the picture according to the detection data, parameter setting and the like of a field instrument;
the ventilation unit controls the starting and stopping of the ventilator in an automatic state, when the acetylene concentration alarm at 7 detection points detects that the acetylene concentration exceeds the standard, an alarm signal of the ventilation unit can be transmitted into the PLC control system, the PLC sends out a control command, and the fan at a corresponding place is started until the alarm signal disappears.
Preferably, in the process flow interface of the acetylene generation section in the step B, different devices can be automatically controlled by selecting different operation state selection switches to work in an automatic mode, and the automatic control is divided into a generator unit, a water seal unit and a gas holder unit, during automatic control, a system can automatically complete feeding and related control of the generator according to field instrument detection data, parameter setting and the like, and the specific automatic control flow is as follows:
automatic flow of the generator unit: the unit can automatically adjust the pressure, temperature, liquid level and the like of the generator in an automatic mode, the adjusting state of the unit is related to parameter setting, and related automatic control is performed on the deslagging of the main generator and the auxiliary generator.
Preferably, the specific segmented automatic control flow in step C is as follows: the whole purification system can be divided into the subsection flows of sodium hypochlorite preparation, alkali liquor preparation, acid A tower liquid filling, circulating purification, liquid pouring and the like, and the units are relatively independent and are selected through a flow control window.
Preferably, the specific automatic control flow in step D is as follows: automatic control flow of compressor unit: after the compressor is automatically started, the system cannot immediately start the compressor and needs to complete the relevant configuration of the working mode of the compressor;
automatic flow of high pressure dryer unit: after the automatic mode is entered, the high-pressure dryer can automatically install the time sequence of the set parameters to start working, the opening and closing of each valve are controlled, the time sequence control of the high-pressure dryer can be restarted after being switched to the input state every time, and the specific time can be set and modified by a user through the system operation parameters.
Preferably, the specific automatic control flow in step E is as follows: automatic process of the charging unit: the charging unit can be considered as an automatic mode after being put into the state, but the charging unit needs manual selection to open the charging valve and enters an automatic interlocking state, the set charging pressure is allowed to be rewritten in the picture, when the pressure detection of the charging row reaches the corresponding set pressure, the valve of the charging row is automatically interlocked to close, the input state of the compressor can be controlled in the interface of the charging unit,
automatic process of the safety monitoring unit: the part comprises a spraying fire-fighting unit and a ventilation unit, when the safety monitoring unit is automatically started, the acetylene can be prevented from generating high temperature in the high-pressure filling process through the cooperation of a thermal imager installed in an acetylene workshop, if the detection temperature of the thermal imager is higher than the set highest temperature, a spraying valve can be automatically opened to cool a gas cylinder, the spraying is stopped until the temperature is recovered to a normal value, and if the temperature in the filling workshop exceeds the set average temperature, the fire-fighting water valve can be automatically opened.
Compared with the prior art, the invention has the following beneficial effects:
1. the intelligent automatic operation function of the traditional acetylene production process is realized, the stability and the editability of the PLC or the DCS are utilized, the logic relation of the whole production system is written into a system CPU through a computer language, data is compared with set parameters in the system through the real-time signal acquisition of a field remote transmission instrument, the intelligent interlocking control is realized, the data is displayed on line in real time through a computer display screen, the interlocking action is fed back on line, and the interlocking action is visually displayed in front of an operator.
2. The invention is applied to all acetylene gas production processes taking calcium carbide as raw materials, and comprises a calcium carbide feeding unit, a gas generating unit, a gas storage unit, a gas purifying unit, a liquid preparation unit of a purifying device, a gas pressurizing unit, a gas drying unit, a gas filling unit, a security and protection unit of the whole production process, an auxiliary unit of the whole production process, a three-waste treatment unit and the like, meanwhile, a curve monitoring chart of the running state of the equipment, an alarm recording table, a process parameter setting table, all data lookup report forms, and dual transmission of a wired network and a wireless network are added, so that intelligent automatic control is realized in all directions, manual operation is reduced, the stay time of personnel on site is reduced, potential safety hazards caused by paralysis of the personnel are reduced, the occurrence probability of danger is greatly reduced, and meanwhile, if an accident occurs, the risk of personal injury is greatly reduced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to achieve the purpose, the invention provides the following technical scheme: the traditional production process of the acetylene dissolving equipment comprises the following control units:
A. a feeding unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
after the calcium carbide moving hopper is arranged in the connecting pier, the nitrogen displacement device is automatically started under the control of the system, the oxygen analyzer is used for monitoring, the blanking valve is automatically opened under the safe state to complete the charging work of the system, and the nitrogen displacement work is automatically removed after the charging is completed,
after the system finishes feeding, according to the gas consumption of the whole production process, internal data calculation is carried out on the CUP through monitoring of a field instrument, a considerable amount of calcium carbide raw materials are automatically put into the generator, excessive calcium carbide raw materials cannot be added, and stable operation of the whole production system is guaranteed;
B. a generation unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
automatic flow of the water sealing unit: the unit can automatically control all water seals of the system in an automatic mode, realize the control requirements of automatic water supply when each water seal is lower than a set liquid level low value and automatic water drainage when each water seal is higher than a set liquid level high value,
automatic process of gas holder unit: in addition, the gas holder unit is interlocked with a vibration motor of a feeding unit of the generator, and the starting and stopping of the vibration motor are controlled through the high and low states of the gas holder so as to ensure the generation amount of acetylene gas;
C. a purification unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
in the process interface of the acetylene purification section, acetylene gas generated by an acetylene generator is mainly subjected to acid washing and alkali washing neutralization, the number of controlled objects is large, the acetylene gas is divided into two acid washing purification towers, relevant storage tank circulating pumps, valves and the like, one alkali washing neutralization tower, relevant storage tank circulating pumps, valves and the like,
in the flow interface of the washing and purifying process, the operation state selection switches of different units can be selected to enable the units to work in an input or manual state, and when the units are in an input mode, a user can perform relevant segmented operation of purification according to selection, and the system can automatically complete relevant control of a controlled object in a picture according to field instrument detection data, parameter setting and the like;
D. a compression unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
in the acetylene compression section, the main controlled and detecting units comprise a compressor, an oil-water separator, a high-pressure dryer and the like, in the interface, the compressor, the oil-water separator and the high-pressure dryer are manually and automatically controlled, the working states of the compressor, the oil-water separator and the high-pressure dryer are monitored, the starting condition of the compressor is judged and the like, the running or the opening of a motor, a water pump and a valve is represented by rotating and green, the stopping or the closing is represented by static and red, the condition establishment of a detection switch is represented by changing gray into green, the condition failure is represented by changing green into gray, an alarm or an abnormity is represented by yellow or orange,
in the process flow interface of the compressor, the equipment associated with each unit can be automatically controlled by placing the selector switch in an automatic position to enable the selector switch to work in an automatic mode state, the interface is divided into the compressor unit and the high-pressure dryer unit, and during automatic control, a system can automatically complete the related control of a controlled object in a picture according to field instrument detection data, parameter setting and the like;
E. a filling unit: in the charging process flow interface, 12 charging rows controlled by the system are controlled to be cut off and put into operation, the charging working state is monitored, the relevant control and state monitoring of the safety monitoring unit are also arranged in the picture, the working state of the compressor can be displayed, the charging unit can be conveniently operated and the running condition of the compressor can be conveniently known,
in the filling process flow interface, the equipment associated with each unit can be automatically controlled by placing the selector switch in an automatic position to enable the selector switch to work in an automatic mode state, the interface is divided into a filling unit and a safety monitoring unit, and when the equipment is automatically controlled, a system can automatically complete the related control of the controlled object in the picture according to the detection data, parameter setting and the like of a field instrument;
the ventilation unit controls the starting and stopping of the ventilator in an automatic state, when the acetylene concentration alarm at 7 detection points detects that the acetylene concentration exceeds the standard, an alarm signal of the ventilation unit can be transmitted into the PLC control system, the PLC sends out a control command, and the fan at a corresponding place is started until the alarm signal disappears.
The first embodiment is as follows:
the traditional production process of the acetylene dissolving equipment comprises the following control units:
A. a feeding unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
after the calcium carbide moving hopper is arranged in the connecting pier, the nitrogen displacement device is automatically started under the control of the system, the oxygen analyzer is used for monitoring, the blanking valve is automatically opened under the safe state to complete the charging work of the system, and the nitrogen displacement work is automatically removed after the charging is completed,
after the system finishes feeding, according to the gas consumption of the whole production process, internal data calculation is carried out on the CUP through monitoring of a field instrument, a considerable amount of calcium carbide raw materials are automatically put into the generator, excessive calcium carbide raw materials cannot be added, and stable operation of the whole production system is guaranteed;
B. a generation unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
automatic flow of the water sealing unit: the unit can automatically control all water seals of the system in an automatic mode, realize the control requirements of automatic water supply when each water seal is lower than a set liquid level low value and automatic water drainage when each water seal is higher than a set liquid level high value,
automatic process of gas holder unit: this unit is under automatic mode, can carry out automatic timing blowdown operation to the import of gas holder and export blowoff valve, the investigation latency and the opening time of blowoff valve go on according to setting for the parameter, in addition, the gas holder unit is chain with the shock dynamo of generator material loading unit, start-stop through the height state control shock dynamo of gas holder, be used for guaranteeing acetylene gas emergence volume, in the acetylene generation workshop section process flow interface, can make its work carry out automatic control to different equipment at automatic mode through selecting different operating condition selector switch, divide into generator unit altogether, water seal unit and gas holder unit, during automatic control, the system can be according to on-the-site instrument detected data, the automatic relevant control of accomplishing material loading and generator such as parameter setting, specific automatic control flow is as follows:
automatic flow of the generator unit: the unit can automatically adjust the pressure, temperature, liquid level and the like of the generator in an automatic mode, the adjusting state of the unit is related to parameter setting, and relevant automatic control is performed on the deslagging of the main generator and the auxiliary generator;
C. a purification unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
in the process interface of the acetylene purification section, acetylene gas generated by an acetylene generator is mainly subjected to acid washing and alkali washing neutralization, the number of controlled objects is large, the acetylene gas is divided into two acid washing purification towers, relevant storage tank circulating pumps, valves and the like, one alkali washing neutralization tower, relevant storage tank circulating pumps, valves and the like,
in the flow interface of the washing and purifying process, the operation state selection switches of different units can be selected to enable the units to work in an input or manual state, and when the units are in an input mode, a user can perform relevant segmented operation of purification according to selection, and the system can automatically complete relevant control of a controlled object in a picture according to field instrument detection data, parameter setting and the like;
D. a compression unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
in the acetylene compression section, the main controlled and detecting units comprise a compressor, an oil-water separator, a high-pressure dryer and the like, in the interface, the compressor, the oil-water separator and the high-pressure dryer are manually and automatically controlled, the working states of the compressor, the oil-water separator and the high-pressure dryer are monitored, the starting condition of the compressor is judged and the like, the running or the opening of a motor, a water pump and a valve is represented by rotating and green, the stopping or the closing is represented by static and red, the condition establishment of a detection switch is represented by changing gray into green, the condition failure is represented by changing green into gray, an alarm or an abnormity is represented by yellow or orange,
in the process flow interface of the compressor, the equipment associated with each unit can be automatically controlled by placing the selector switch in an automatic position to enable the selector switch to work in an automatic mode state, the interface is divided into the compressor unit and the high-pressure dryer unit, and during automatic control, a system can automatically complete the related control of a controlled object in a picture according to field instrument detection data, parameter setting and the like;
E. a filling unit: in the charging process flow interface, 12 charging rows controlled by the system are controlled to be cut off and put into operation, the charging working state is monitored, the relevant control and state monitoring of the safety monitoring unit are also arranged in the picture, the working state of the compressor can be displayed, the charging unit can be conveniently operated and the running condition of the compressor can be conveniently known,
in the filling process flow interface, the equipment associated with each unit can be automatically controlled by placing the selector switch in an automatic position to enable the selector switch to work in an automatic mode state, the interface is divided into a filling unit and a safety monitoring unit, and when the equipment is automatically controlled, a system can automatically complete the related control of the controlled object in the picture according to the detection data, parameter setting and the like of a field instrument;
the ventilation unit controls the starting and stopping of the ventilator in an automatic state, when the acetylene concentration alarm at 7 detection points detects that the acetylene concentration exceeds the standard, an alarm signal of the ventilation unit can be transmitted into the PLC control system, the PLC sends out a control command, and the fan at a corresponding place is started until the alarm signal disappears.
Example two:
the traditional production process of the acetylene dissolving equipment comprises the following control units:
A. a feeding unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
after the calcium carbide moving hopper is arranged in the connecting pier, the nitrogen displacement device is automatically started under the control of the system, the oxygen analyzer is used for monitoring, the blanking valve is automatically opened under the safe state to complete the charging work of the system, and the nitrogen displacement work is automatically removed after the charging is completed,
after the system finishes feeding, according to the gas consumption of the whole production process, internal data calculation is carried out on the CUP through monitoring of a field instrument, a considerable amount of calcium carbide raw materials are automatically put into the generator, excessive calcium carbide raw materials cannot be added, and stable operation of the whole production system is guaranteed;
B. a generation unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
automatic flow of the water sealing unit: the unit can automatically control all water seals of the system in an automatic mode, realize the control requirements of automatic water supply when each water seal is lower than a set liquid level low value and automatic water drainage when each water seal is higher than a set liquid level high value,
automatic process of gas holder unit: in addition, the gas holder unit is interlocked with a vibration motor of a feeding unit of the generator, and the starting and stopping of the vibration motor are controlled through the high and low states of the gas holder so as to ensure the generation amount of acetylene gas;
C. a purification unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
in the process interface of the acetylene purification section, acetylene gas generated by an acetylene generator is mainly subjected to acid washing and alkali washing neutralization, the number of controlled objects is large, the acetylene gas is divided into two acid washing purification towers, relevant storage tank circulating pumps, valves and the like, one alkali washing neutralization tower, relevant storage tank circulating pumps, valves and the like,
in the interface of the washing and purifying process flow, the operation state selection switches of different units can be selected to enable the washing and purifying process flow to work in an input or manual state, when the washing and purifying process flow is in an input mode, a user can perform relevant segmented operation of purification according to selection, a system can automatically complete relevant control of a controlled object in a picture according to field instrument detection data, parameter setting and the like, and a specific segmented automatic control flow is as follows: the whole purification system can be divided into subsection flows of sodium hypochlorite preparation, alkali liquor preparation, acid A tower liquid filling, circulating purification, liquid pouring and the like, and the units are relatively independent and are selected through a flow control window;
D. a compression unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
in the acetylene compression section, the main controlled and detecting units comprise a compressor, an oil-water separator, a high-pressure dryer and the like, in the interface, the compressor, the oil-water separator and the high-pressure dryer are manually and automatically controlled, the working states of the compressor, the oil-water separator and the high-pressure dryer are monitored, the starting condition of the compressor is judged and the like, the running or the opening of a motor, a water pump and a valve is represented by rotating and green, the stopping or the closing is represented by static and red, the condition establishment of a detection switch is represented by changing gray into green, the condition failure is represented by changing green into gray, an alarm or an abnormity is represented by yellow or orange,
in the process flow interface of the compressor, the equipment associated with each unit can be automatically controlled by placing the selector switch in an automatic position to enable the selector switch to work in an automatic mode state, the interface is divided into the compressor unit and the high-pressure dryer unit, and during automatic control, a system can automatically complete the related control of a controlled object in a picture according to field instrument detection data, parameter setting and the like;
E. a filling unit: in the charging process flow interface, 12 charging rows controlled by the system are controlled to be cut off and put into operation, the charging working state is monitored, the relevant control and state monitoring of the safety monitoring unit are also arranged in the picture, the working state of the compressor can be displayed, the charging unit can be conveniently operated and the running condition of the compressor can be conveniently known,
in the filling process flow interface, the equipment associated with each unit can be automatically controlled by placing the selector switch in an automatic position to enable the selector switch to work in an automatic mode state, the interface is divided into a filling unit and a safety monitoring unit, and when the equipment is automatically controlled, a system can automatically complete the related control of the controlled object in the picture according to the detection data, parameter setting and the like of a field instrument;
the ventilation unit controls the starting and stopping of the ventilator in an automatic state, when the acetylene concentration alarm at 7 detection points detects that the acetylene concentration exceeds the standard, an alarm signal of the ventilation unit can be transmitted into the PLC control system, the PLC sends out a control command, and the fan at a corresponding place is started until the alarm signal disappears.
Example three:
the traditional production process of the acetylene dissolving equipment comprises the following control units:
A. a feeding unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
after the calcium carbide moving hopper is arranged in the connecting pier, the nitrogen displacement device is automatically started under the control of the system, the oxygen analyzer is used for monitoring, the blanking valve is automatically opened under the safe state to complete the charging work of the system, and the nitrogen displacement work is automatically removed after the charging is completed,
after the system finishes feeding, according to the gas consumption of the whole production process, internal data calculation is carried out on the CUP through monitoring of a field instrument, a considerable amount of calcium carbide raw materials are automatically put into the generator, excessive calcium carbide raw materials cannot be added, and stable operation of the whole production system is guaranteed;
B. a generation unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
automatic flow of the water sealing unit: the unit can automatically control all water seals of the system in an automatic mode, realize the control requirements of automatic water supply when each water seal is lower than a set liquid level low value and automatic water drainage when each water seal is higher than a set liquid level high value,
automatic process of gas holder unit: in addition, the gas holder unit is interlocked with a vibration motor of a feeding unit of the generator, and the starting and stopping of the vibration motor are controlled through the high and low states of the gas holder so as to ensure the generation amount of acetylene gas;
C. a purification unit: the unit control is divided into a dynamic and automatic dual option, under the automatic state, the unit is completely automatically operated by a computer without human intervention,
in the process interface of the acetylene purification section, acetylene gas generated by an acetylene generator is mainly subjected to acid washing and alkali washing neutralization, the number of controlled objects is large, the acetylene gas is divided into two acid washing purification towers, relevant storage tank circulating pumps, valves and the like, one alkali washing neutralization tower, relevant storage tank circulating pumps, valves and the like,
in the flow interface of the washing and purifying process, the operation state selection switches of different units can be selected to enable the units to work in an input or manual state, and when the units are in an input mode, a user can perform relevant segmented operation of purification according to selection, and the system can automatically complete relevant control of a controlled object in a picture according to field instrument detection data, parameter setting and the like;
D. a compression unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
in the acetylene compression section, the main controlled and detecting units comprise a compressor, an oil-water separator, a high-pressure dryer and the like, in the interface, the compressor, the oil-water separator and the high-pressure dryer are manually and automatically controlled, the working states of the compressor, the oil-water separator and the high-pressure dryer are monitored, the starting condition of the compressor is judged and the like, the running or the opening of a motor, a water pump and a valve is represented by rotating and green, the stopping or the closing is represented by static and red, the condition establishment of a detection switch is represented by changing gray into green, the condition failure is represented by changing green into gray, an alarm or an abnormity is represented by yellow or orange,
in the process flow interface of the compressor, the equipment associated with each unit can be automatically controlled by setting the selection switch to an automatic position to enable the selection switch to work in an automatic mode state, the interface is divided into the compressor unit and the high-pressure dryer unit, and during automatic control, a system can automatically complete the related control of a controlled object in a picture according to field instrument detection data, parameter setting and the like, and the specific automatic control flow is as follows: automatic control flow of compressor unit: after the compressor is automatically started, the system cannot immediately start the compressor and needs to complete the relevant configuration of the working mode of the compressor;
automatic flow of high pressure dryer unit: after the automatic mode is entered, the high-pressure dryer can automatically install the time sequence of the set parameters to start working and control the opening and closing of each valve, the time sequence control of the high-pressure dryer can be restarted after being switched to the input state every time, and the specific time can be set and modified by a user through the system operation parameters;
E. a filling unit: in the charging process flow interface, 12 charging rows controlled by the system are controlled to be cut off and put into operation, the charging working state is monitored, the relevant control and state monitoring of the safety monitoring unit are also arranged in the picture, the working state of the compressor can be displayed, the charging unit can be conveniently operated and the running condition of the compressor can be conveniently known,
in the filling process flow interface, the equipment associated with each unit can be automatically controlled by placing the selector switch in an automatic position to enable the selector switch to work in an automatic mode state, the interface is divided into a filling unit and a safety monitoring unit, and when the equipment is automatically controlled, a system can automatically complete the related control of the controlled object in the picture according to the detection data, parameter setting and the like of a field instrument;
the ventilation unit controls the starting and stopping of the ventilator in an automatic state, when the acetylene concentration alarm at 7 detection points detects that the acetylene concentration exceeds the standard, an alarm signal of the ventilation unit can be transmitted into the PLC control system, the PLC sends out a control command, and the fan at a corresponding place is started until the alarm signal disappears.
Example four:
the traditional production process of the acetylene dissolving equipment comprises the following control units:
A. a feeding unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
after the calcium carbide moving hopper is arranged in the connecting pier, the nitrogen displacement device is automatically started under the control of the system, the oxygen analyzer is used for monitoring, the blanking valve is automatically opened under the safe state to complete the charging work of the system, and the nitrogen displacement work is automatically removed after the charging is completed,
after the system finishes feeding, according to the gas consumption of the whole production process, internal data calculation is carried out on the CUP through monitoring of a field instrument, a considerable amount of calcium carbide raw materials are automatically put into the generator, excessive calcium carbide raw materials cannot be added, and stable operation of the whole production system is guaranteed;
B. a generation unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
automatic flow of the water sealing unit: the unit can automatically control all water seals of the system in an automatic mode, realize the control requirements of automatic water supply when each water seal is lower than a set liquid level low value and automatic water drainage when each water seal is higher than a set liquid level high value,
automatic process of gas holder unit: in addition, the gas holder unit is interlocked with a vibration motor of a feeding unit of the generator, and the starting and stopping of the vibration motor are controlled through the high and low states of the gas holder so as to ensure the generation amount of acetylene gas;
C. a purification unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
in the process interface of the acetylene purification section, acetylene gas generated by an acetylene generator is mainly subjected to acid washing and alkali washing neutralization, the number of controlled objects is large, the acetylene gas is divided into two acid washing purification towers, relevant storage tank circulating pumps, valves and the like, one alkali washing neutralization tower, relevant storage tank circulating pumps, valves and the like,
in the flow interface of the washing and purifying process, the operation state selection switches of different units can be selected to enable the units to work in an input or manual state, and when the units are in an input mode, a user can perform relevant segmented operation of purification according to selection, and the system can automatically complete relevant control of a controlled object in a picture according to field instrument detection data, parameter setting and the like;
D. a compression unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
in the acetylene compression section, the main controlled and detecting units comprise a compressor, an oil-water separator, a high-pressure dryer and the like, in the interface, the compressor, the oil-water separator and the high-pressure dryer are manually and automatically controlled, the working states of the compressor, the oil-water separator and the high-pressure dryer are monitored, the starting condition of the compressor is judged and the like, the running or the opening of a motor, a water pump and a valve is represented by rotating and green, the stopping or the closing is represented by static and red, the condition establishment of a detection switch is represented by changing gray into green, the condition failure is represented by changing green into gray, an alarm or an abnormity is represented by yellow or orange,
in the process flow interface of the compressor, the equipment associated with each unit can be automatically controlled by placing the selector switch in an automatic position to enable the selector switch to work in an automatic mode state, the interface is divided into the compressor unit and the high-pressure dryer unit, and during automatic control, a system can automatically complete the related control of a controlled object in a picture according to field instrument detection data, parameter setting and the like;
E. a filling unit: in the charging process flow interface, 12 air admission rows controlled by the system are controlled to be cut off and put into operation, the working state of charging is monitored, the related control and state monitoring of the safety monitoring unit are also arranged in the picture, the working state of the compressor can be displayed, the charging unit can be conveniently operated and the running condition of the compressor can be conveniently known,
in the filling process flow interface, the equipment associated with each unit can be automatically controlled by placing the selector switch in an automatic position to enable the selector switch to work in an automatic mode state, the interface is divided into a filling unit and a safety monitoring unit, and when the equipment is automatically controlled, a system can automatically complete the related control of the controlled object in the picture according to the detection data, parameter setting and the like of a field instrument;
the ventilation unit controls the start and stop of the ventilator under the automatic state, when the acetylene concentration alarm with 7 detection points detects that the acetylene concentration exceeds the standard, the alarm signal of the ventilation unit can be transmitted into the PLC control system, the PLC sends out a control command, the fan corresponding to the place is started until the alarm signal disappears, and the specific automatic control flow is as follows: automatic process of the charging unit: the charging unit can be considered as an automatic mode after being put into the state, but the charging unit needs manual selection to open the charging valve and enters an automatic interlocking state, the set charging pressure is allowed to be rewritten in the picture, when the pressure detection of the charging row reaches the corresponding set pressure, the valve of the charging row is automatically interlocked to close, the input state of the compressor can be controlled in the interface of the charging unit,
automatic process of the safety monitoring unit: the part comprises a spraying fire-fighting unit and a ventilation unit, when the safety monitoring unit is automatically started, the acetylene can be prevented from generating high temperature in the high-pressure filling process through the cooperation of a thermal imager installed in an acetylene workshop, if the detection temperature of the thermal imager is higher than the set highest temperature, a spraying valve can be automatically opened to cool a gas cylinder, the spraying is stopped until the temperature is recovered to a normal value, and if the temperature in the filling workshop exceeds the set average temperature, the fire-fighting water valve can be automatically opened.
Description from a production perspective:
for the operation of the generator, the whole system comprises the data monitoring of the temperature, the pressure, the liquid level and the residual material amount of the generator and the specific operation of slag discharging, water adding, material feeding and replacement, thereby basically realizing the field unmanned operation of the generator,
the feeding of the generator can select manual feeding or automatic feeding according to the will of a user, if the manual feeding is selected, the operation of the generator is manual operation except the feeding, other operations are computer operation, the site is unattended,
the whole production system comprises a plurality of water seal devices, the change of the air supply pressure of the whole system is directly influenced by the liquid level inside the water seal devices, in order to achieve reasonable and safe working pressure, the automatic treatment is realized by the liquid level control of the water seal, the liquid level is ensured to be always at a reasonable height, the automatic discharge of the sewage, the oil stain and the like which need to be discharged at the main timing in the system is realized at the timing and the quantification under the program control,
the height of the gas holder plays a role in balance adjustment in the whole production process, the system automatically controls the feeding of the generator according to the change of the height of the gas holder bell jar, ensures the stable operation of the whole production system, reduces the cost waste caused by excessive feeding,
the acetylene purification system generally adopts a sodium hypochlorite method for purification, the control system of the acetylene purification system is fused with practical patent products of the acetylene purification system, a series of automatic operations of sodium hypochlorite solution preparation, alkali solution preparation, purifier liquid filling, operation, effective chlorine content monitoring, liquid pouring, liquid discharging and the like of the purification system are perfectly realized, the whole purification system realizes the accurate solution concentration preparation, the accurate solution concentration measurement and the full-automatic equipment operation,
the acetylene compressor completely realizes automatic operation in operation, realizes automatic opening and closing of an air inlet valve, an air outlet valve and an emptying valve, and also realizes automatic timed discharge of oil stains and the like generated in the operation process of the compressor.
Description of the safety:
the whole production process realizes the centralized collection of the operation parameters and the interlocking function aiming at the important parameters under the operation of the control system,
the monitoring units with strict process value requirements are provided with interlocking programs in the system after the data of the monitoring units are collected, when certain data reaches a set alarm value, the corresponding valve or control unit can be interlocked to react, an audible and visual alarm signal is sent out, and the alarm record is stored,
the operating system can not cause the occurrence of serious consequences due to improper operation and untimely operation caused by artificial paralysis, negligence or panic, and the operating system has no harm to human bodies due to no operating personnel on site even if serious consequences occur under the operating system.
Description of the environment:
the whole operation system not only covers the operation of the main production device, but also covers the operation of the auxiliary device,
in the production process of acetylene equipment, a large amount of waste water, waste residues and waste gases are generated, the generated waste residues and waste water can be treated in a centralized manner by using the control system, the waste water is recycled by using the filter press, the waste residues are dehydrated and then stored in a centralized manner, the whole production process is ensured to have no waste water discharge and leakage, and the aim of environmental protection is fulfilled,
for enterprises crushing raw materials automatically, the matched dust removal system automatically operates under the control of a program, and the pollution of dust to air is reduced.
Description of fire protection:
the production process of chemical products inevitably has a series of operation processes of reaction, synthesis, discharge and the like, wherein strict control indexes are required for temperature, concentration, pressure, proportion and the like, if an error occurs in a certain index, serious consequences can be caused, a security program is added into a control system, in the production process, parameters of each system are collected in a centralized mode, interlocking treatment is carried out, parameters reaching preset critical values are interlocked to take corresponding troubleshooting measures, the treatment when the concentration exceeds the standard is to give an alarm in time and start an air inducing device or humidification dilution, cooling spray is started in time when the temperature exceeds the standard, fire spray or fire extinguishing devices and the like are started in time for open fire points, and recording and alarm interlocking are carried out on the occurring conditions.
Description of the operation:
the whole control system is internally provided with a main system process interface, a unit operation interface, an alarm recording interface, a parameter setting interface, an operation data recording interface, a data curve interface and the like, is operated on a computer, realizes the communication between an upper computer and a lower computer through a network, can issue information data to an external network,
the whole operation interface is simple and clear, the equipment pattern refers to the real object proportion, different operation interfaces are designed according to different processes of different equipment, each operation system is completely fit with an actual process, computer display, mouse operation and manual and automatic switching are achieved, and the site and central control are mutually interlocked.
Describing from a service perspective:
the development and after-sale of the whole system realize the network release, and the after-sale service can be carried out on the operation parameters of the system under the remote condition, thereby realizing a quick and effective coping mechanism and making strong post-screen technical support for production enterprises.
Description of the development:
the system provided by the user realizes the perfect combination of the Internet of things, can simply know the running state of the equipment from the mobile phone end, and can observe the running condition and the operation condition of the equipment in real time through the computer end.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The traditional production process of acetylene dissolving equipment is characterized by comprising the following steps: the production process comprises the following control units:
A. a feeding unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
after the calcium carbide moving hopper is arranged in the connecting pier, the nitrogen displacement device is automatically started under the control of the system, the oxygen analyzer is used for monitoring, the blanking valve is automatically opened under the safe state to complete the charging work of the system, and the nitrogen displacement work is automatically removed after the charging is completed,
after the system finishes feeding, according to the gas consumption of the whole production process, internal data calculation is carried out on the CUP through monitoring of a field instrument, a considerable amount of calcium carbide raw materials are automatically put into the generator, excessive calcium carbide raw materials cannot be added, and stable operation of the whole production system is guaranteed;
B. a generation unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
automatic flow of the water sealing unit: the unit can automatically control all water seals of the system in an automatic mode, realize the control requirements of automatic water supply when each water seal is lower than a set liquid level low value and automatic water drainage when each water seal is higher than a set liquid level high value,
automatic process of gas holder unit: in addition, the gas holder unit is interlocked with a vibration motor of a feeding unit of the generator, and the starting and stopping of the vibration motor are controlled through the high and low states of the gas holder so as to ensure the generation amount of acetylene gas;
C. a purification unit: the unit control is divided into a dynamic and automatic dual option, under the automatic state, the unit is completely automatically operated by a computer without human intervention,
in the process interface of the acetylene purification section, acetylene gas generated by an acetylene generator is mainly subjected to acid washing and alkali washing neutralization, the number of controlled objects is large, the acetylene gas is divided into two acid washing purification towers, relevant storage tank circulating pumps, valves and the like, one alkali washing neutralization tower, relevant storage tank circulating pumps, valves and the like,
in the flow interface of the washing and purifying process, the operation state selection switches of different units can be selected to enable the units to work in an input or manual state, and when the units are in an input mode, a user can perform relevant segmented operation of purification according to selection, and the system can automatically complete relevant control of a controlled object in a picture according to field instrument detection data, parameter setting and the like;
D. a compression unit: the unit control is divided into manual and automatic dual options, under the automatic state, the unit is completely operated by a computer automatically without human intervention,
in the acetylene compression section, the main controlled and detecting units comprise a compressor, an oil-water separator, a high-pressure dryer and the like, in the interface, the compressor, the oil-water separator and the high-pressure dryer are manually and automatically controlled, the working states of the compressor, the oil-water separator and the high-pressure dryer are monitored, the starting condition of the compressor is judged and the like, the running or the opening of a motor, a water pump and a valve is represented by rotating and green, the stopping or the closing is represented by static and red, the condition establishment of a detection switch is represented by changing gray into green, the condition failure is represented by changing green into gray, an alarm or an abnormity is represented by yellow or orange,
in the process flow interface of the compressor, the equipment associated with each unit can be automatically controlled by placing the selector switch in an automatic position to enable the selector switch to work in an automatic mode state, the interface is divided into the compressor unit and the high-pressure dryer unit, and during automatic control, a system can automatically complete the related control of a controlled object in a picture according to field instrument detection data, parameter setting and the like;
E. a filling unit: in the charging process flow interface, 12 charging rows controlled by the system are controlled to be cut off and put into operation, the charging working state is monitored, the relevant control and state monitoring of the safety monitoring unit are also arranged in the picture, the working state of the compressor can be displayed, the charging unit can be conveniently operated and the running condition of the compressor can be conveniently known,
in the filling process flow interface, the equipment associated with each unit can be automatically controlled by placing the selector switch in an automatic position to enable the selector switch to work in an automatic mode state, the interface is divided into a filling unit and a safety monitoring unit, and when the equipment is automatically controlled, a system can automatically complete the related control of the controlled object in the picture according to the detection data, parameter setting and the like of a field instrument;
the ventilation unit controls the starting and stopping of the ventilator in an automatic state, when the acetylene concentration alarm at 7 detection points detects that the acetylene concentration exceeds the standard, an alarm signal of the ventilation unit can be transmitted into the PLC control system, the PLC sends out a control command, and the fan at a corresponding place is started until the alarm signal disappears.
2. A conventional production process of dissolved acetylene apparatus according to claim 1, characterized in that: in the process flow interface of the acetylene generation section in the step B, different devices can be automatically controlled by selecting different operation state selection switches to work in an automatic mode, and the operation state selection switches are jointly divided into a generator unit, a water seal unit and a gas holder unit, during automatic control, a system can automatically complete feeding and relevant control of the generator according to field instrument detection data, parameter setting and the like, and the specific automatic control flow is as follows:
automatic flow of the generator unit: the unit can automatically adjust the pressure, temperature, liquid level and the like of the generator in an automatic mode, the adjusting state of the unit is related to parameter setting, and related automatic control is performed on the deslagging of the main generator and the auxiliary generator.
3. A conventional production process of dissolved acetylene apparatus according to claim 1, characterized in that: the specific segmented automatic control flow in the step C is as follows: the whole purification system can be divided into the subsection flows of sodium hypochlorite preparation, alkali liquor preparation, acid A tower liquid filling, circulating purification, liquid pouring and the like, and the units are relatively independent and are selected through a flow control window.
4. A conventional production process of dissolved acetylene apparatus according to claim 1, characterized in that: the specific automatic control flow in step D is as follows: automatic control flow of compressor unit: after the compressor is automatically started, the system cannot immediately start the compressor and needs to complete the relevant configuration of the working mode of the compressor;
automatic flow of high pressure dryer unit: after the automatic mode is entered, the high-pressure dryer can automatically install the time sequence of the set parameters to start working, the opening and closing of each valve are controlled, the time sequence control of the high-pressure dryer can be restarted after being switched to the input state every time, and the specific time can be set and modified by a user through the system operation parameters.
5. A conventional production process of dissolved acetylene apparatus according to claim 1, characterized in that: the specific automatic control flow in step E is as follows: automatic process of the charging unit: the charging unit can be considered as an automatic mode after being put into the state, but the charging unit needs manual selection to open the charging valve and enters an automatic interlocking state, the set charging pressure is allowed to be rewritten in the picture, when the pressure detection of the charging row reaches the corresponding set pressure, the valve of the charging row is automatically interlocked to close, the input state of the compressor can be controlled in the interface of the charging unit,
automatic process of the safety monitoring unit: the part comprises a spraying fire-fighting unit and a ventilation unit, when the safety monitoring unit is automatically started, the acetylene can be prevented from generating high temperature in the high-pressure filling process through the cooperation of a thermal imager installed in an acetylene workshop, if the detection temperature of the thermal imager is higher than the set highest temperature, a spraying valve can be automatically opened to cool a gas cylinder, the spraying is stopped until the temperature is recovered to a normal value, and if the temperature in the filling workshop exceeds the set average temperature, the fire-fighting water valve can be automatically opened.
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